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git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@10 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
152 lines
5.6 KiB
Plaintext
Executable File
152 lines
5.6 KiB
Plaintext
Executable File
#
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# Shorewall version 1.2 - Rules File
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#
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# /etc/shorewall/rules
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#
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# Rules in this file govern connection establishment. Requests and
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# responses are automatically allowed using connection tracking.
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#
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# In most places where an IP address or subnet is allowed, you
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# can preceed the address/subnet with "!" (e.g., !192.168.1.0/24) to
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# indicate that the rule matches all addresses except the address/subnet
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# given. Notice that no white space is permitted between "!" and the
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# address/subnet.
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#
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# If any of the following columns contain the word "none" then the rule
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# is ignored:
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#
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# PORT(S), CLIENT PORT(S), CLIENT(S) and SERVER.
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#
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# Columns are:
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#
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#
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# RESULT ACCEPT, DROP or REJECT
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#
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# ACCEPT -- allow the connection request
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# DROP -- ignore the request
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# REJECT -- disallow the request and return an
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# icmp-unreachable packet.
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#
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# May optionally be followed by ":" and a syslog log
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# level (e.g, REJECT:info). This causes the packet to be
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# logged at the specified level.
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#
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# CLIENT(S) Hosts permitted to be clients. May be a zone defined
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# in /etc/shorewall/zones or $FW to indicate the
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# firewall itself.
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#
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# Clients may be further restricted to a list of subnets
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# and/or hosts by appending ":" and a comma-separated
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# list of subnets and/or hosts. Hosts may be specified
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# by IP or MAC address; mac addresses must begin with
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# "~" and must use "-" as a separator.
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#
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# dmz:192.168.2.2 Host 192.168.2.2 in the DMZ
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#
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# net:155.186.235.0/24 Subnet 155.186.235.0/24 on the
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# Internet
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#
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# loc:192.168.1.1,192.168.1.2
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# Hosts 192.168.1.1 and
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# 192.168.1.2 in the local zone.
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# loc:~00-A0-C9-15-39-78 Host in the local zone with
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# MAC address 00:A0:C9:15:39:78.
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#
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# Alternatively, clients may be specified by interface
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# by appending ":" followed by the interface name. For
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# example, loc:eth1 specifies a client that
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# communicates with the firewall system through eth1.
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#
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# SERVER Location of Server. May be a zone defined in
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# /etc/shorewall/zones or $FW to indicate the firewall
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# itself.
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#
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# The server may be further restricted to a particular
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# subnet, host or interface by appending ":" and the
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# subnet, host or interface. See above.
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#
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# The port that the server is listening on may be
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# included and separated from the server's IP address by
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# ":". If omitted, the firewall will not modifiy the
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# destination port.
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#
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# Example: loc:192.168.1.3:8080 specifies a local
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# server at IP address 192.168.1.3 and listening on port
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# 8080. The port number MUST be specified as an integer
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# and not as a name from /etc/services.
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#
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# PROTO Protocol - Must be "tcp", "udp", "icmp", a number,
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# "all" or "related". If "related", the remainder of the
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# entry must be omitted and connection requests that are
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# related to existing requests will be accepted.
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#
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# PORT(S) Destination Ports. A comma-separated list of Port
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# names (from /etc/services), port numbers or port
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# ranges; if the protocol is "icmp", this column is
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# interpreted as the destination icmp-type(s).
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#
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# This column is ignored if PROTOCOL = all but must be
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# entered if any of the following ields are supplied.
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# In that case, it is suggested that this field contain
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# "-"
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#
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# CLIENT PORT(S) (Optional) Port(s) used by the client. If omitted,
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# any source port is acceptable. Specified as a comma-
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# separated list of port names, port numbers or port
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# ranges.
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#
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# If you don't want to restrict client ports but need to
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# specify an ADDRESS in the next column, then place "-"
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# in this column.
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#
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# ADDRESS (0ptional) If included and different from the IP
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# address given in the SERVER column, this is an address
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# on some interface on the firewall and connections to
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# that address will be forwarded to the IP and port
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# specified in the SERVER column.
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#
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# If the special value "all" is used, then requests from
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# the client zone given in the CLIENT(s) column with the
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# destination port given in PORT(s) will be forwarded to
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# the IP address given in SERVER. The value "all" is
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# intended to be used when your internet IP address is
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# dynamic and you want to do port forwarding or you want
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# to do proxy redirection. IT SHOULD NOT BE USED IN ANY
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# OTHER SITUATION.
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#
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# The address (or "all") may optionally be followed by
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# a colon (":") an an IP address. This causes Shorewall
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# to use the specified IP address as the source address
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# in forwarded packets. See the Shorewall documentation
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# for restrictions concerning this feature. If no source
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# IP address is given, the original source address is not
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# altered.
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#
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# Example: Forward all ssh and http connection requests from the internet
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# to local system 192.168.1.3
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#
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# #RESULT CLIENTS SERVER(S) PROTO PORT(S) CLIENT PORT(S) ADDRESS
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# ACCEPT net loc:192.168.1.3 tcp ssh,http - all
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#
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# Example: Redirect all locally-originating www connection requests to
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# port 8080 on the firewall (Squid running on the firewall
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# system)except when the destination address is 192.168.2.2
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#
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# #RESULT CLIENTS SERVER(S) PROTO PORTS(S) CLIENT PORT(S) ADDRESS
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# ACCEPT loc $FW::8080 tcp www - !192.168.2.2
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##############################################################################
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#RESULT CLIENT(S) SERVER(S) PROTO PORT(S) CLIENT PORT(S) ADDRESS
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#
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# Allow SSH from the local network
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#
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ACCEPT loc $FW tcp ssh
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#
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# Allow SSH and Auth from the internet
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#
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ACCEPT net $FW tcp ssh,auth
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#
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# Run an NTP daemon on the firewall that is synced with outside sources
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#
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ACCEPT $FW net udp ntp
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#LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT REMOVE
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